MELSRV ABI DATABASES Z39.50 SERVER STATISTICS
Time period: 05/18/02 through 05/24/02
1.0 SUMMARY STATISTICS
_______________________
Per hour usage:
Time Searches Records Presented
_______________ _____________ _________________
12-2 a.m. 109 2,066
2-4 a.m. 180 2,183
4-6 a.m. 8 349
6-8 a.m. 20 152
8-10 a.m. 197 4,732
10-12 a.m. 555 14,868
12-2 p.m. 728 16,533
2-4 p.m. 931 28,852
4-6 p.m. 651 17,303
6-8 p.m. 399 9,005
8-10 p.m. 293 4,699
10-12 p.m. 216 8,208
__________ _____________ _________________
Total: 4,287 108,950
1.1 SEARCH commands
____________________
Zero results may indicate no access to the database
Number of SEARCH commands issued by location:
Location Total
________ _____
Berkeley 40
Davis 16
Irvine 14
Los Angeles 62
Riverside 5
San Diego 8
San Francisco 3
Santa Barbara 3
Santa Cruz 42
Lawrence Berkeley 0
Lawrence Livermore 0
Los Alamos 0
MELWEB 2,511
Searchlight 1,546
Other - UC 21
Other-Network UC 16
_____
4,287
1.2 Records Presented
______________________
Zero results may indicate no access to the database
Number of Records Presented by location:
Location Total
________ _____
Berkeley 185
Davis 148
Irvine 256
Los Angeles 1,222
Riverside 0
San Diego 408
San Francisco 28
Santa Barbara 120
Santa Cruz 80
Lawrence Berkeley 0
Lawrence Livermore 0
Los Alamos 0
MELWEB 105,852
Searchlight 45
Other - UC 461
Other-Network UC 145
_____
108,950
1.3 Response time
__________________
Search response time from receipt of search request
DLA until transmission of search response:
Average in seconds 0.9
Standard deviation in seconds 2.9
Present response time from receipt of present request
DLA until transmission of a present response:
Average in seconds 0.2
Standard deviation in seconds 0.3
2.0 ABI Database Detailed Statistics
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Median session length (minutes:seconds) 0:04
Average session length (minutes:seconds) 10:40
Longest session recorded (minutes:seconds) 176:44
Average number of searches completed per session 0.0
Retrievals per search - median 6.0
Retrievals per search - average 792.8
Retrievals per search - standard deviation 4240.2
Percent of searches completed with 0 results 31.0%
Percent of searches entered that are long 0.1%
Percent of long searches completed
(includes partial results) 100%
Commands entered, by type, excluding errors:
Total Percentage
__________ __________
SEARCH 4,287 15.1%
PRESENT 21,239 74.9%
INIT or CLOSE 2,813 9.9%
OTHER 10 0.0%
SEARCHes completed: RETRIEVALS PER NON-
TOTAL ZERO RESULTS ZERO RESULT SEARCHES
_____________ ______________ ______________________
% of % of
all all for Std.
No. SEARCHes No. Index Median Avg. Dev.
______ _________ ______ _______ ______ __________ _______
By index:
PERSONAL AUTHOR 405 7.5% 152 37.5% 8 58.8 332.1
TITLE WORD 293 5.4% 122 41.6% 2 107.2 657.1
EXACT TITLE 51 0.9% 19 37.3% 1 5.2 12.6
JOURNAL 190 3.5% 107 56.3% 20 1614.2 6678.8
EXACT JOURNAL 556 10.3% 55 9.9% 650 2738.3 7037.1
SUBJECT 230 4.3% 132 57.4% 30 1227.9 4822.2
EXACT SUBJECT 79 1.5% 21 26.6% 80 5025.0 14934.1
KEYWORD 2,796 52.0% 870 31.1% 24 778.0 4006.5
PUB TYPE 30 0.6% 6 20.0% 15 193.8 470.7
DATE 86 1.6% 35 40.7% 22 56.8 79.2
ADDED 32 0.6% 27 84.4% 3 5.0 3.7
LANGUAGE 41 0.8% 18 43.9% 47 286.7 546.1
GEOGRAPHIC NAME 0 0.0% 0 0.0% 0 0.0 0.0
SUBJ CATEGORY 7 0.1% 1 14.3% 39 180.7 354.6
COMPANY NAME 83 1.5% 50 60.2% 22 150.1 350.8
EX COMPANY NAME 14 0.3% 6 42.9% 92 242.1 318.8
DUNS 0 0.0% 0 0.0% 0 0.0 0.0
TICKER SYMBOL 0 0.0% 0 0.0% 0 0.0 0.0
ID NUMBER 0 0.0% 0 0.0% 0 0.0 0.0
ISSN 2 0.0% 2 100% 0 0.0 0.0
ISN 0 0.0% 0 0.0% 0 0.0 0.0
ARTICLE 21 0.4% 6 28.6% 30 337.1 642.5
AT 452 8.4% 111 24.6% 35 1657.2 6456.2
Other indexes 13 0.2% 9 69.2% 1 1.0 0.0
RETRIEVALS PER NON-
TOTAL ZERO RESULTS ZERO RESULT SEARCHES
_____________ ______________ ______________________
% of % of
all all for Std.
No. SEARCHes No. Index Median Avg. Dev.
______ _________ ______ _______ ______ __________ _______
By number of indexes:
Multiple 874 20.4% 308 35.2% 18 1035.1 5072.8
Single 3,413 79.6% 1,021 29.9% 43 1176.0 5063.4
PRESENT commands, by type:
MARC 52.4%
OPAC 23.0%
SABmm/dd srv.abi MELSRV ABI DATABASES Z39.50 SERVER STATISTICS (weekly)